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slightly less cursed struct shit

This commit is contained in:
Luca Conte 2024-03-25 10:41:16 +01:00
parent 17ae922675
commit e0b15dc9e4
1 changed files with 20 additions and 20 deletions
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40
u02/main.c
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@ -35,28 +35,28 @@ typedef struct {
Triangle t2; Triangle t2;
} TriangleRect; } TriangleRect;
void createRect(GLfloat* vertexArray, GLfloat posx, GLfloat posy, GLfloat width, GLfloat height) { void createRect(TriangleRect* rect, GLfloat posx, GLfloat posy, GLfloat width, GLfloat height) {
vertexArray[0] = posx; rect->t1.p1.x = posx;
vertexArray[1] = posy; rect->t1.p1.y = posy;
vertexArray[2] = posx + width; rect->t1.p2.x = posx + width;
vertexArray[3] = posy; rect->t1.p2.y = posy;
vertexArray[4] = posx; rect->t1.p3.x = posx;
vertexArray[5] = posy + height; rect->t1.p3.y = posy + height;
vertexArray[6] = posx + width; rect->t2.p1.x = posx + width;
vertexArray[7] = posy; rect->t2.p1.y = posy;
vertexArray[8] = posx + width; rect->t2.p2.x = posx + width;
vertexArray[9] = posy + height; rect->t2.p2.y = posy + height;
vertexArray[10] = posx; rect->t2.p3.x = posx;
vertexArray[11] = posy + height; rect->t2.p3.y = posy + height;
} }
void createCenterRect(GLfloat* vertexArray, GLfloat posx, GLfloat posy, GLfloat width, GLfloat height) { void createCenterRect(TriangleRect* rect, GLfloat posx, GLfloat posy, GLfloat width, GLfloat height) {
createRect(vertexArray, posx - width / 2, posy - height / 2, width, height); createRect(rect, posx - width / 2, posy - height / 2, width, height);
} }
void init(void) { void init(void) {
@ -134,10 +134,10 @@ void init(void) {
TriangleRect triangleVertices[4]; TriangleRect triangleVertices[4];
createCenterRect((GLfloat*)&triangleVertices[0], -0.2f, 0.0f, 0.1f, 1.2f); createCenterRect(&triangleVertices[0], -0.2f, 0.0f, 0.1f, 1.2f);
createCenterRect((GLfloat*)&triangleVertices[1], 0.2f, 0.0f, 0.1f, 1.2f); createCenterRect(&triangleVertices[1], 0.2f, 0.0f, 0.1f, 1.2f);
createCenterRect((GLfloat*)&triangleVertices[2], 0.0f, 0.0f, 0.3f, 0.1f); createCenterRect(&triangleVertices[2], 0.0f, 0.0f, 0.3f, 0.1f);
createCenterRect((GLfloat*)&triangleVertices[3], 0.0f, -0.8f, 0.5f, 0.1f); createCenterRect(&triangleVertices[3], 0.0f, -0.8f, 0.5f, 0.1f);
GLuint triangleVertexBufferObject; GLuint triangleVertexBufferObject;
@ -156,7 +156,7 @@ void init(void) {
2, 2,
GL_FLOAT, GL_FLOAT,
GL_FALSE, GL_FALSE,
2 * sizeof(GLfloat), sizeof(Point),
0 0
); );
glEnableVertexAttribArray(0); glEnableVertexAttribArray(0);